了解任何事情的最佳方式就是动手去做。
The best way of learning about anything is by doing.
硬件是创新的骨架，软件是它的神经系统，而人类需求才是它跳动的心脏。
The dead cannot cry out for justice. It is a duty of the living to do so for them.
In transgressing the law of nature, the offender declares himself to live by another rule than that of reason and common equity.